APA (7th ed.) Citation

Lem, S. (1967). Der Unbesiegbare. Buchclub 65.

Chicago Style (17th ed.) Citation

Lem, Stanislaw. Der Unbesiegbare. Berlin: Buchclub 65, 1967.

MLA (8th ed.) Citation

Lem, Stanislaw. Der Unbesiegbare. Buchclub 65, 1967.

Warning: These citations may not always be 100% accurate.